Doorknob for a door handle



FIG. 1 is a top and front perspective view of a doorknob for a door handle showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a bottom perspective view thereof;

FIG. 9 is a second bottom perspective view thereof; and,

FIG. 10 is a third bottom perspective view thereof. 

The ornamental design for a doorknob for a door handle, as shown. 